diff --git a/CHANGES.md b/CHANGES.md
index 04dedc886f..0522c24fcd 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -18,6 +18,7 @@ We adhere to the [keepachangelog](https://keepachangelog.com/en/1.0.0/) format (
 ### Changes
 * Bump default `ktfmt` version to latest `0.40` -> `0.41` ([#1340](https://github.com/diffplug/spotless/pull/1340))
 * Bump default `scalafmt` version to latest `3.5.9` -> `3.6.1` ([#1373](https://github.com/diffplug/spotless/pull/1373))
+* Bump default `diktat` version to latest `1.2.3` -> `1.2.4.2` ([#1393](https://github.com/diffplug/spotless/pull/1393))
 
 ## [2.30.0] - 2022-09-14
 ### Added
diff --git a/lib/build.gradle b/lib/build.gradle
index fd292cb5ff..7329f632e9 100644
--- a/lib/build.gradle
+++ b/lib/build.gradle
@@ -94,7 +94,7 @@ dependencies {
 	String VER_SCALAFMT="3.6.1"
 	scalafmtCompileOnly "org.scalameta:scalafmt-core_2.13:$VER_SCALAFMT"
 
-	String VER_DIKTAT = "1.2.3"
+	String VER_DIKTAT = "1.2.4.2"
 	diktatCompileOnly "org.cqfn.diktat:diktat-rules:$VER_DIKTAT"
 
 	// used for markdown formatting
diff --git a/lib/src/main/java/com/diffplug/spotless/kotlin/DiktatStep.java b/lib/src/main/java/com/diffplug/spotless/kotlin/DiktatStep.java
index f1cd3103d9..9fb5bd634f 100644
--- a/lib/src/main/java/com/diffplug/spotless/kotlin/DiktatStep.java
+++ b/lib/src/main/java/com/diffplug/spotless/kotlin/DiktatStep.java
@@ -32,7 +32,7 @@ private DiktatStep() {}
 
 	private static final String MIN_SUPPORTED_VERSION = "1.2.1";
 
-	private static final String DEFAULT_VERSION = "1.2.3";
+	private static final String DEFAULT_VERSION = "1.2.4.2";
 	static final String NAME = "diktat";
 	static final String PACKAGE_DIKTAT = "org.cqfn.diktat";
 	static final String MAVEN_COORDINATE = PACKAGE_DIKTAT + ":diktat-rules:";
diff --git a/plugin-gradle/CHANGES.md b/plugin-gradle/CHANGES.md
index fdc40ef58b..7a297ba536 100644
--- a/plugin-gradle/CHANGES.md
+++ b/plugin-gradle/CHANGES.md
@@ -11,6 +11,7 @@ We adhere to the [keepachangelog](https://keepachangelog.com/en/1.0.0/) format (
 ### Changes
 * Bump default `ktfmt` version to latest `0.40` -> `0.41` ([#1340](https://github.com/diffplug/spotless/pull/1340))
 * Bump default `scalafmt` version to latest `3.5.9` -> `3.6.1` ([#1373](https://github.com/diffplug/spotless/pull/1373))
+* Bump default `diktat` version to latest `1.2.3` -> `1.2.4.2` ([#1393](https://github.com/diffplug/spotless/pull/1393))
 
 ## [6.11.0] - 2022-09-14
 ### Added
diff --git a/plugin-maven/CHANGES.md b/plugin-maven/CHANGES.md
index 9d728c41e8..3348adbb77 100644
--- a/plugin-maven/CHANGES.md
+++ b/plugin-maven/CHANGES.md
@@ -11,6 +11,7 @@ We adhere to the [keepachangelog](https://keepachangelog.com/en/1.0.0/) format (
 ### Changes
 * Bump default `ktfmt` version to latest `0.40` -> `0.41` ([#1340](https://github.com/diffplug/spotless/pull/1340))
 * Bump default `scalafmt` version to latest `3.5.9` -> `3.6.1` ([#1373](https://github.com/diffplug/spotless/pull/1373))
+* Bump default `diktat` version to latest `1.2.3` -> `1.2.4.2` ([#1393](https://github.com/diffplug/spotless/pull/1393))
 
 ## [2.27.2] - 2022-10-10
 ### Fixed